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https://issues.apache.org/jira/browse/DERBY-3279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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A B updated DERBY-3279:
-----------------------
Attachment: d3279_ix2brnode_v1.patch
Attaching a follow-up patch, d3279_ix2brnode_v1.patch, that fixes the case for
IndexToBaseRowNodes which appear above the base table. I didn't see any other
cases where similar changes were necessary (or rather, all other cases were
handled by the _v1 patch).
This patch also adds some more test cases to InListMultiProbeTest, esp. to 1)
test the case where the index has fewer columns than the base table, and 2)
test queries that have multiple IN lists in them. I decided to add the latter
set of tests since Bryan asked about a similar query in an earlier comment, and
since cheese2.sql also includes a couple of queries with multiple IN lists in
the where clause (indirectly).
I ran derbyall and suites.All with ibm142 and saw no failures.
> Derby 10.3.X ignores ORDER BY DESC when target column has an index and is
> used in an OR clause or an IN list.
> -------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-3279
> URL: https://issues.apache.org/jira/browse/DERBY-3279
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.3.1.4, 10.3.2.1
> Environment: Rational Application Developer 7.0.0.2 (Eclipse 3.2.2),
> J2RE 1.5.0 IBM J9 2.3 Windows XP
> Reporter: Ajay Bhala
> Assignee: A B
> Fix For: 10.4.0.0
>
> Attachments: cheese2.sql, d3279_ix2brnode_v1.patch, d3279_v1.patch
>
>
> Running the following produces the error seen in Derby 10.3.X but not in
> 10.2.X nor in 10.1.X.
> Don't know if this related to DERBY-3231.
> First query is incorrectly sorted whereas the second one is okay when there
> is an index on the table.
> If the table is not indexed, the sort works correctly in DESC order.
> ------
> create table CHEESE (
> CHEESE_CODE VARCHAR(5),
> CHEESE_NAME VARCHAR(20),
> CHEESE_COST DECIMAL(7,4)
> );
> create index cheese_index on CHEESE (CHEESE_CODE DESC, CHEESE_NAME DESC,
> CHEESE_COST DESC);
> INSERT INTO CHEESE (
> CHEESE_CODE,
> CHEESE_NAME,
> CHEESE_COST)
> VALUES ('00000', 'GOUDA', 001.1234),
> ('00000', 'EDAM', 002.1111),
> ('54321', 'EDAM', 008.5646),
> ('12345', 'GORGONZOLA', 888.2309),
> ('AAAAA', 'EDAM', 999.8888),
> ('54321', 'MUENSTER', 077.9545);
> SELECT * FROM CHEESE
> WHERE (CHEESE_CODE='00000' OR CHEESE_CODE='54321') AND CHEESE_NAME='EDAM'
> ORDER BY CHEESE_CODE DESC, CHEESE_NAME DESC, CHEESE_COST DESC;
> SELECT * FROM CHEESE
> WHERE (CHEESE_CODE='AAAAA' OR CHEESE_CODE='54321') AND CHEESE_NAME='EDAM'
> ORDER BY CHEESE_CODE DESC, CHEESE_NAME DESC, CHEESE_COST DESC;
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